water vapor
noun
: water in a vaporous form especially when below boiling temperature and diffused (as in the atmosphere)
Examples of water vapor in a Sentence
Recent Examples on the Web
These membranes contain microscopic pores designed to block liquid water from entering from the outside of the boot while allowing water vapor to escape from the inside.
—
Alisha McDarris, Outside, 7 Mar. 2026
Another key process is sublimation, where ice turns directly into water vapor without melting first.
—Rupendra Brahambhatt, Interesting Engineering, 7 Mar. 2026
Legionella can be carried in water vapor or mist and can cause illness if inhaled.
—Jt Moodee Lockman, CBS News, 6 Mar. 2026
At these times, sunlight illuminates exhaust from the rocket's upper stage, which is composed primarily of water vapor and carbon dioxide.
—Robert Z. Pearlman, Space.com, 4 Mar. 2026
See All Example Sentences for water vapor
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Alisha McDarris, Outside, 7 Mar. 2026
Another key process is sublimation, where ice turns directly into water vapor without melting first.
—Rupendra Brahambhatt, Interesting Engineering, 7 Mar. 2026
Legionella can be carried in water vapor or mist and can cause illness if inhaled.
—Jt Moodee Lockman, CBS News, 6 Mar. 2026
At these times, sunlight illuminates exhaust from the rocket's upper stage, which is composed primarily of water vapor and carbon dioxide.
—Robert Z. Pearlman, Space.com, 4 Mar. 2026
See All Example Sentences for water vapor
Cite this Entry
“Water vapor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20vapor. Accessed 13 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
